Active Isolated RS485 to UART Signal Adapter Module - DFRobot DFR0845

This active, isolated RS485 to UART signal transfer module comes with protection circuits such as power isolation and TVS.

Compatible with most main controllers, it has the characteristics of fast communication speed, stable and reliable performance, high safety, etc.

It can be applied to various industrial sensors, industrial control equipment or applications that require RS485 signal conversion.

Connect with Arduino Board

Connection Diagram (Use serial port to read sensor data)

Board Overview

1. Fast communication speed

2. Stable and reliable performance

3. High safety

1. Industrial sensors

2. Industrial control equipment

3. Applications that require RS485 signal conversion

1. Power Supply Voltage: 3.3~5V

2. Communication baud rate up to 1M bps

3. Up to 12V-2W power output (output current is about 160mA)

4. Isolation voltage 3000 VDC

5. Bus electrostatic protection capacity is up to 15kV

6. 1/8 unit load, bus load capacity up to 256 nodes

7. Bus fail protection and bus drive short circuit protection

8. Operating temperature range: -40℃ to +105℃

1. Product wiki

2. TDH541S485H datasheet

3. Schematics

4. Dimension and Component Layout

1. Gravity: Active Isolated RS485 to UART Signal Adapter Module x1

2. Gravity-4pin UART Cable x1